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Solution 1: Description Developing roller release operation defect
After the specified time from rotating the main motor for the
developing roller depress/release, the output of the developing home
position sensor does not change.
Causes: Developing home position sensor defect, Main motor defect, DC controller PCB defect
Remedy:Check the connector of the developer home position sensor,
main motor, DC controller PCB Replace the developer home position
sensorReplace the main motor Replace the DC controller PCB

Solution 2: Cassette 1 lift-up errorAfter lift-up of the Lifting Plate of the cassette of the host machine started, ON status of the Lifter Sensor of the cassette of the host machine was not detected within the specified period of time.

Remedy. While the cassette of the host machine is removed, turn ON the power and insert the cassette, then check the ope…

Here are two solutions to reset the waste ink counter on Brother printers MFC-J460DW MFC-J480DW MFC-J485DW:

Solution 1:

1. Press Settings.
2. Press a or b to select the following:a. Select [Initial Setup]. Press OK.b. Select [Reset]. Press OK.c. Select the reset option you want to use. Press OK.
3. Press 1 for [Yes] to confirm.4. Press 1 for [Yes] to reboot the machineSolution 2:Clear the screen with the stop/exit buttonHit the settings button (wrench)enter the following 5 keys * 2 8 6 4use the down arrow until you come to the purge followed by some
numbers.Press 2 7 8 and 3I got a ‘cannot detect’ message, and the stop/exit button didn’t work so then I did step 7 and got outpress 9 and then 9 againmachine reboots and page count is clear

Solution 1:Check the cartridges: they must no be emptyCheck the paper too in the paper tray.Solution 2:Power off and unplug the printer for a dayPlug back et switch on Solution 3:Power off and unplug the printerPress the power button, and without release it, plug back the power cable.Solution 4:Power off and unplug the printerPress the power button for one minutePlug back the power cable.
If the problem persist, the main board could be defective

Here is the procedure te replace the old transfer roller (RM1-9175) with the new one on these HP printers: LaserJet Pro 400 M401a M401dn M401dw M401n M425dn et M425dw.

Do not touch the black surface of the new roller..

Step 1:Open the cover to remove the tonerStep 2: (see picture below)In the toner slot, lift and hold the hinged metal plate ( -1- in the picture)While holding the metal plate up, release the 2 black plastic tabs (-2- in the picture)Pull the black plastic sleeve up until it is free, then slide the transfer roller (-3- in the picture) up and to the right to remove it. Step 3:Insert the black plastic sleeve onto the tip of the new transfer roller, then first install the left end of the transfer roller, followed by the right end of the transfer roller and the locking of the black plastic ring.

When you have the orange light on, not blinking, on Canon Pxima MG55xx printers, try these tips:

Solution 1:Firts, check the cartridges (they should not be empty) and the paper tray.Solution 2:Power off and umplug the printer for 24hPlug back and switch onSolution 3:Power off and umplug the printer Press and hold on the "power" button, then plug back the power cableSolution 4:Power off and umplug the printer Press and hold on the "power" button for one minute.Plug back the power cable
If the problem persist, the main board is probably defective